Conjoined twins with single head, partially united trunk, and four upper and four lower limbs. See: conjoined twins.
[syn- + G. adelphos, brother]
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synadelphus(sĭn″ă-dĕl′fŭs) [″ + adelphos, brother]
A deformed fetus with eight limbs.
Medical Dictionary, © 2009 Farlex and Partners